*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
ul{
    list-style: none;
}
html,
body,
.app{
    width: 100%;
    height: 100%;
}
.top{
    position: fixed;
    top: 0;
    width: 100%;
    height: 8%;
    background: #000;
    color: #fff;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 0 2%;
}
.icon-fanhui::before{
    font-size: 16px;
}
.icon-gengduo::before{
    font-size: 36px;
}
.top p:first-child span:nth-child(2){
    color: #ccc;
}
.main{
    position: fixed;
    top: 8%;
    width: 100%;
    height: 76%;
    background: pink;
}
.bottom{
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 16%;
    background: palegreen;
    display: flex;
    flex-direction: row;
}
/* 底部左 */
.bottom-left{
    width: 75%;
    height: 100%;
}
.bottom_left_top{
    width: 100%;
    height: 50%;
    background: #fff;
    border-top:1px solid #ccc;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
}
.bottom_left_bottom{
    width: 100%;
    height: 50%;
    background: #333;
    color: #fff;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
}
.bottom_left_bottom li{
    display: flex;
    flex-direction: column;
    align-items:center;
    justify-content: center;
}
.bottom_left_bottom li:hover{
    color: #4bbdcb;
}
/* 底部右 */
.bottom-right{
    width: 25%;
    height: 100%;
    background: #4bbdcb;
}